ACL Corruption Bug

[NASbox]

I noticed this bug is still open as of 11.1U7 - https://redmine.ixsystems.com/issues/53199

This prompted me to do a quick check since I am using zfs send/recv to make my backups.

Here is what I got from a quick check, and IIUC everything is fine. Am I correct?

Does anyone know when/why the corruption occurs?

Is there a quck way to check for it, or do I have to navigate into the snapshot directory of every dataset and list it?

Code:

#>zfs list -t all -r BACKUP03/TANK/library
NAME                                                      USED  AVAIL  REFER  MOUNTPOINT
BACKUP03/TANK/library                                    4.34T  1.65T  4.34T  /BACKUP03/TANK/library
BACKUP03/TANK/library@__BKP03_7XXXXXXC__20180423_011627  2.06M      -  4.29T  -
BACKUP03/TANK/library@__BKP03_7XXXXXXC__20190124_044551   280K      -  4.33T  -
BACKUP03/TANK/library@__BKP03_7XXXXXXC__20190325_144917      0      -  4.34T  -

Code:

#>getfacl __BKP03_7XXXXXXC__20190325_144917
# file: __BKP03_7XXXXXXC__20190325_144917
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow
       
#>getfacl __BKP03_7XXXXXXC__20190124_044551
# file: __BKP03_7XXXXXXC__20190124_044551
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow

#>getfacl __BKP03_7XXXXXXC__20180423_011627
# file: __BKP03_7XXXXXXC__20180423_011627
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow

Code:

#>getfacl __BKP03_7XXXXXXC__20190325_144917
# file: __BKP03_7XXXXXXC__20190325_144917
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow

#>getfacl __BKP03_7XXXXXXC__20190124_044551
# file: __BKP03_7XXXXXXC__20190124_044551
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow

#>getfacl __BKP03_7XXXXXXC__20180423_011627
# file: __BKP03_7XXXXXXC__20180423_011627
# owner: library
# group: library
            owner@:rwxpDdaARWcCos:fd-----:allow
            group@:rwxpDdaARWcCos:fd-----:allow
         everyone@:r-x---a-R-c---:fd-----:allow

 

[dlavigne]

Notes that the fix depends upon which train you are on (eg it was fixed for 11.2-U2 on #57888). This was one of those "heisenbugs" that was hard to reproduce but had been occasionally seen in the wild.

 

[NASbox]

Notes that the fix depends upon which train you are on (eg it was fixed for 11.2-U2 on #57888). This was one of those "heisenbugs" that was hard to reproduce but had been occasionally seen in the wild.

Since I am on 11.1U7, I assume that I am still affected by the bug. Are there been any common conditions? Any quick way of testing or do I need to go directory by directory like I did in the OP?

 

[dlavigne]

Everything we found that could possibly reproduce it is in the notes on that ticket.